IAA RAS IAA Minor Planet Database

2015 SS20

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3462696052 ± 1.54e-07
Semi-major axis (a)1.5429477312 AU ± 8.43e-08
Inclination (i)11.46573672° ± 1.02e-05
Long. of Asc. Node (Ω)244.92037740° ± 6.29e-05
Arg. of Perihelion (ω)164.69447895° ± 6.27e-05
Mean Anomaly (M)92.41028780° ± 1.56e-04
Mean Motion (n)0.5142632083°/day ± 4.21e-08
Perihelion dist (q)1.00867183 AU ± 2.44e-07
Aphelion dist (Q)2.07722363 AU ± 2.63e-07
Orbital Period1.91657942 yr ± 1.57e-07
Physical Parameters
H (abs. magnitude)22.12
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.237″
Uncertainty0
Orbit TypeApollo
MOID0.028319 AU
Observations Used32
Oppositions1
Arc Total2013-2016
First Observation Used2013-07-17
Last Observation Used2016-02-09
Observations (46)
Date Type RA Dec Mag Band Observatory
2013-07-17 12:30:14 C 20 49 15.920 +10 26 29.11 – V F51
2013-07-17 12:48:59 C 20 49 14.998 +10 26 45.65 – V F51
2013-07-17 13:07:41 C 20 49 14.049 +10 27 02.40 – V F51
2013-07-18 12:46:11 C 20 48 07.024 +10 48 08.02 – V F51
2013-07-18 13:05:47 C 20 48 06.015 +10 48 25.39 – V F51
2013-07-18 13:21:45 C 20 48 05.157 +10 48 39.33 – V F51
2015-09-22 12:59:59 S 05 52 00.264 +52 52 36.52 – L C51
2015-09-22 19:17:54 S 05 54 12.926 +52 45 52.09 – L C51
2015-09-23 20:29:13 S 06 02 58.142 +52 17 10.03 – L C51
2015-09-23 23:38:16 S 06 04 02.86 +52 13 24.1 – L C51
2015-09-24 04:21:34 S 06 05 39.92 +52 07 39.7 – L C51
2015-09-24 05:56:11 S 06 06 12.43 +52 05 44.1 – L C51
2015-09-24 07:30:37 S 06 06 44.51 +52 03 47.4 – L C51
2015-09-24 12:13:55 S 06 08 20.69 +51 57 52.9 – L C51
2015-09-24 13:48:21 S 06 08 52.61 +51 55 54.2 – L C51
2015-09-24 16:57:13 S 06 09 56.49 +51 51 55.5 – L C51
2015-09-25 11:50:48 S 06 16 16.054 +51 27 11.16 – L C51
2015-09-25 18:08:43 S 06 18 21.074 +51 18 36.65 – L C51
2015-09-25 21:17:35 S 06 19 23.242 +51 14 16.80 – L C51
2015-10-03 15:20:52 C 07 14 40.532 +46 00 33.64 – t 568
2015-10-03 15:23:26 C 07 14 41.186 +46 00 28.73 – t 568
2015-10-03 15:25:59 C 07 14 41.841 +46 00 23.80 – t 568
2015-10-07 14:50:33 C 07 38 27.128 +42 45 20.69 – t 568
2015-10-07 14:53:14 C 07 38 27.720 +42 45 15.07 – t 568
2015-10-07 14:55:48 C 07 38 28.306 +42 45 09.67 – t 568
2015-12-04 15:51:20 C 10 17 53.431 -05 19 51.19 – t 568
2015-12-04 15:53:14 C 10 17 53.512 -05 19 54.24 – t 568
2015-12-04 15:55:08 C 10 17 53.591 -05 19 57.11 – t 568
2015-12-05 15:31:27 C 10 18 57.262 -05 56 16.22 – t 568
2015-12-05 15:33:20 C 10 18 57.331 -05 56 19.11 – t 568
2015-12-05 15:35:13 C 10 18 57.405 -05 56 21.97 – t 568
2016-01-03 07:35:10 C 10 27 48.07 -19 46 26.1 – u 807
2016-01-03 07:50:53 C 10 27 47.62 -19 46 39.5 – u 807
2016-01-03 08:04:54 C 10 27 47.30 -19 46 52.2 – u 807
2016-01-14 06:05:51 C 10 18 35.44 -22 44 44.7 – u 807
2016-01-14 06:25:10 C 10 18 34.41 -22 44 54.6 – u 807
2016-01-14 06:44:02 C 10 18 33.43 -22 45 04.5 – u 807
2016-01-31 04:36:20 C 09 53 00.01 -23 52 57.0 – u 807
2016-01-31 04:57:48 C 09 52 58.34 -23 52 53.1 – u 807
2016-01-31 05:18:51 C 09 52 56.71 -23 52 48.7 – u 807
2016-02-06 06:30:57 C 09 42 23.38 -23 11 37.7 – o 291
2016-02-06 06:49:26 C 09 42 22.14 -23 11 30.2 – o 291
2016-02-06 07:07:56 C 09 42 20.67 -23 11 23.6 – o 291
2016-02-09 06:39:56 C 09 37 15.42 -22 39 08.5 – o 291
2016-02-09 07:01:54 C 09 37 13.90 -22 38 56.7 – o 291
2016-02-09 07:23:52 C 09 37 12.18 -22 38 45.2 – o 291